The Transformer,power, cataloged under National Stock Number 5950-01-290-1257, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-290-1257 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) AND SLOT SINGLE GROUP |
| Body Width | 3.812 INCHES NOMINAL IN |
| Body Height | 3.250 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 50.0 VOLT-AMPERE SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 3.875 INCHES NOMINAL IN |
| Winding Operating Current | 435.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 208.00 AC VOLTS NOMINAL AND 220.00 AC VOLTS NOMINAL AND 230.00 AC VOLTS NOMINAL AND 240.00 AC VOLTS NOMINAL AND 380.00 AC VOLTS NOMINAL AND 400.00 AC VOLTS NOMINAL AND 416.00 AC VOLTS NOMINAL AND 440.00 AC VOLTS NOMINAL AND 460.00 AC VOLTS NOMINAL AND 480.00 AC VOLTS NOMINAL AND 500.00 AC VOLTS NOMINAL AND 550.00 AC VOLTS NOMINAL AND 575.00 AC VOLTS NOMINAL AND 600.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 85.00 AC VOLTS NOMINAL AND 91.00 AC VOLTS NOMINAL AND 95.00 AC VOLTS NOMINAL AND 99.00 AC VOLTS NOMINAL AND 100.00 AC VOLTS NOMINAL AND 110.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL AND 130.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 2 TERMINAL BLOCK W/SCREWS |
| Mounting Slot Width | 0.219 INCHES NOMINAL SINGLE GROUP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| TA-1-32403 | 3/9 Design control — primary reference Acme Electric Corp |
NSN 5950-01-290-1257 is a Transformer,power, classified under FSC 5950, Coils and Transformers. Status: active.
Key specifications for 5950-01-290-1257: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 18 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.